Author Archives: Tim

Virtual Machine Server

The goal of this machine was to replace the oldest machine build recorded on this blog – the 2009 Core i7 920 build. This is the current workhorse virtual machine server. The approach taken (refurbished) was a direct result of … Continue reading

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ZFS Case Upgrade

The original ZFS machine has grown a bit over the years. It started with two 2TB hard drives, then got two more, then finally two more. The “little” NZXT case has more than enough drive slots, but this setup violated … Continue reading

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JRebirth quick evaluation

Want to see how you can quickly tell that somebody wrote 79,695 lines of Java on a completely wasted library/framework? Watch how quickly JRebirth comes to a head-slap fail: 1) Visit http://www.jrebirth.org/ 2) Under Documentation, click on Installation, create the … Continue reading

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Java Self Loathing

Oracle hates its own product so much (Java) that it actively discourages people from ever running it. This is apparent in the JNLP dialogs you get when starting an application for the first time. Can you spot the difference? Both … Continue reading

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RIP REST

2018 resolution: Say RIP to REST – aka “the year of RIP REST” The specific resolution – only use “REST” casually, as a synonym for “client-server” REST has had a pretty good run. The PhD dissertation was published in 2000. … Continue reading

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Vue.js carousel State Fair

This is the announcment page for Minnesota State Fair Space Tower. This was the “next level of difficulty” for Vue.js. It involved using vue-cli to create the webpack-simple basis for the project, then learning how to incorporate components into the … Continue reading

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The future of AngularJS and Angular 2

It has been fun developing AngularJS applications. It was the first complete framework that was both a higher level of abstraction than jQuery and easy enough (not “easy”, per se) to learn and use. You can even play with my … Continue reading

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Should REST and microservice APIs be Versioned?

This is a very lively topic. The starting point for these questions must be: in our world (enterprise grade computer science), what isn’t versioned? The answer to that is: everything is versioned. Therefore, the actual question splits into two parts: … Continue reading

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Is Spring RestTemplate Thread Safe

Is Spring RestTemplate Thread Safe? The only correct answer to this question is: No A quick look at the source (the link is tied to a specific version so the line number is always correct) on line 230 shows the … Continue reading

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Hadoop Terasort VirtualBox benchmarks

Setup: 3-node hadoop (hdp v2.6.1), installed via Ambari 2.5.1 and running in VirtualBox 5.1 on one physical machine. The terasort is traditionally run on 1 terabyte of random data (SIZE=10,000,000,000). In 2008, Yahoo! ran terasort on 1TB of data in … Continue reading

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